/Hot Rolled Steel Coil 65mn

Hot Rolled Steel Coil 65mn

High Quality Hot Rolled 

Chemical composition:

Carbon C: 0.62 ~ 0.70

  Silicon Si: 0.17 ~ 0.37

Manganese Mn: 0.90 ~ 1.20

Sulfur S: 0.035 or less

P P: 0.035 or less

Chromium Cr: 0.25 or less

Ni Ni: 0.25 or less

Copper Cu: 0.25 or less

 

Mechanical properties:

Tensile strength Rb (MPa) : greater than or equal to 980

Yield strength Rs (MPa) : greater than or equal to 785

Elongation delta 10 (%) : 14 ~ 21.5

Cross sectional systolic psi (%) : not less than 10

Hardness: 240 ~ 270 hb

Application: 

disc,blade,plough,spring

Special Use: spring steel